Denon AVR-X2300W Service Manual

The circuit around CY920 is faulty.
YES
Can the NET1.8V output volt-
age (1.8 V) to U1071 (DC-DC
Conv.) be conrmed?
Can the NET2.5V output volt-
age (2.5 V) to U1072 (DC-DC
Conv.) be conrmed?
Are the versions of the Ethernet SBL and IMG
displayed in Version Check Mode?
Is E_POWER3 (U1018 uCOM
134 pin) "Hi" ?
Is E_POWER2 (U1018 uCOM
133 pin) "Hi" ?
The circuit of E_POWER3 be-
tween U1018 and U1071 are
faulty.
The circuit of E_POWER2 be-
tween U1018 and U1072 are
faulty.
The circuit around U1071(DC-
DC.Conv.) is faulty.
The circuit around U1072(DC-
DC.Conv.) is faulty.
The Ethernet software is faulty.
YES
YES
YES
YES
NO
NO
NO
NO
NO
YES
YES
YES
In the same way as for Network connection troubleshooting, check the CY920 power supply and Eth-
ernet SBL, and that the IMG version is displayed correctly.
Is the antenna cable inserted correctly into
CY920?
Is the Bluetooth device compatible with the
A2DP prole?
Is the Bluetooth function enabled on the Blue-
tooth device?
Connect the antenna cable correctly.
Use a device that is A2DP prole compatible.
Enable the Bluetooth function and try connect-
ing again.
5.2. Cannot establish a Bluetooth connection
Checking the unit
Check the Bluetooth device being used
NO
NO
NO
77
Caution in
servicing
Electrical Mechanical Repair Information Updating

Denon AVR-X2300W Specifications

General

Receiver type	-
Audio output channels	7.2 channels
Power output per channel (20-20KHz@8 Ohm)	95 W
HDMI in	7
Number of HDMI outputs	2
Wi-Fi	Yes